Save your progress.
Our web site automatically saves your progress as you answer
questions. Stop and come back at any time.

Compare your results
against other users. CD-ROM software only lets you compare your
results against yourself. On the web, we're able to tell
you how you're doing compared to other users in each knowledge area and on
each question (all names are kept strictly confidential).

Find the questions that
give people the most problems. Our system keeps track of which
questions are answered right and wrong so you can review the
questions that give people the most trouble.